Graphics Programs Reference
In-Depth Information
Chapter 3. Compositing CGI with Bigger Node Trees
These days, Computer Generated Imagery, or CGI, primarily refers to images that
are rendered out of 3D software such as Maya, XSI, and Houdini.
Rendering in 3D software can be a very long process. Calculating all the physics re-
quiredtoproduceaconvincingimageisveryprocessorintensive.Asingleframecan
take anything from a minute to eight hours or more to render. Because of this, 3D
artistsgotogreatlengthstogivethecompositorasmuchmaterialaspossiblesothat
the compositor can modify the 3D render without having to go back to the 3D pack-
age and re-render.
Search WWH ::
Custom Search